function sequentialSizes(val) {
    var answer = "";
    // 请把你的代码写在这条注释以下

    switch(val){
        case 1:
        case 2:
        case 3:
            answer = "Low";
            break;
        case 4:
        case 5:
        case 6:
            answer = "Mid"  ;
            break;
        case 7:
        case 8:
        case 9:
            answer = "High"  ;
            break;
    }

    // 请把你的代码写在这条注释以上
    return answer;
}

// 你可以修改这一行来测试你的代码
sequentialSizes(1);
